diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index b488e8d..41c9eb5 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -134,9 +134,8 @@
 		ranges = <0 0 0 0xffffffff>;
 
 		base_fpga_region {
-			#address-cells = <0x1>;
-			#size-cells = <0x1>;
-
+			#address-cells = <0x2>;
+			#size-cells = <0x2>;
 			compatible = "fpga-region";
 			fpga-mgr = <&fpga_mgr>;
 		};
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index f22302a..f9674cc 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -139,8 +139,8 @@
 		ranges = <0 0 0 0xffffffff>;
 
 		base_fpga_region {
-			#address-cells = <0x1>;
-			#size-cells = <0x1>;
+			#address-cells = <0x2>;
+			#size-cells = <0x2>;
 			compatible = "fpga-region";
 			fpga-mgr = <&fpga_mgr>;
 		};